Updating RRF-related test cases to work with multiple shards and/or replicas (#114189)

Author: pmpailis

muted-tests.yml

@@ -109,9 +109,6 @@ tests:
 - class: org.elasticsearch.xpack.ml.integration.MlJobIT
   method: testDeleteJobAsync
   issue: https://github.com/elastic/elasticsearch/issues/112212
-- class: org.elasticsearch.search.retriever.RankDocRetrieverBuilderIT
-  method: testRankDocsRetrieverWithCollapse
-  issue: https://github.com/elastic/elasticsearch/issues/112254
 - class: org.elasticsearch.smoketest.DocsClientYamlTestSuiteIT
   method: test {yaml=reference/rest-api/watcher/put-watch/line_120}
   issue: https://github.com/elastic/elasticsearch/issues/99517
@@ -336,15 +333,9 @@ tests:
 - class: org.elasticsearch.xpack.inference.TextEmbeddingCrudIT
   method: testPutE5Small_withPlatformAgnosticVariant
   issue: https://github.com/elastic/elasticsearch/issues/113983
-- class: org.elasticsearch.xpack.rank.rrf.RRFRankClientYamlTestSuiteIT
-  method: test {yaml=rrf/700_rrf_retriever_search_api_compatibility/rrf retriever with top-level collapse}
-  issue: https://github.com/elastic/elasticsearch/issues/114019
 - class: org.elasticsearch.xpack.inference.TextEmbeddingCrudIT
   method: testPutE5WithTrainedModelAndInference
   issue: https://github.com/elastic/elasticsearch/issues/114023
-- class: org.elasticsearch.xpack.rank.rrf.RRFRetrieverBuilderIT
-  method: testRRFWithCollapse
-  issue: https://github.com/elastic/elasticsearch/issues/114074
 - class: org.elasticsearch.xpack.inference.TextEmbeddingCrudIT
   method: testPutE5Small_withPlatformSpecificVariant
   issue: https://github.com/elastic/elasticsearch/issues/113950